我收到此错误:
Carregando os mapas: Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String
index out of range: 4800
at java.lang.String.substring(Unknown Source)
at estaticos.Criptografador.descompilarMapaData(Criptografador.java:147)
at variables.Mapa.<init>(Mapa.java:1306)
at estaticos.GestorSQL.CARREGAR_MAPAS(GestorSQL.java:696)
at estaticos.MundoDofus.criarServer(MundoDofus.java:1398)
at estaticos.VrauEMU.main(VrauEMU.java:130)
我正在尝试解决,但我做不到。
我的代码:(原来的模拟器是西类牙语,所以之前的celula = celda)
public static Map<Integer, Celula> descompilarMapaData(Mapa mapa, String dData) {
Map<Integer, Celula> celulas = new TreeMap<Integer, Celula>();
for (int f = 0; f < dData.length(); f += 10) {
String CellData = dData.substring(f, f + 10);
List<Byte> celulaInfo = new ArrayList<Byte>();
for (int i = 0; i < CellData.length(); i++)
celulaInfo.add((byte) getNumeroPorValorHash(CellData.charAt(i)));
int caminhavel = (celulaInfo.get(2) & 56) >> 3;// 0 = nao, 1 = meio, 4 = sim
boolean linhaDeVisao = (celulaInfo.get(0) & 1) != 0;
int layerObject2 = ( (celulaInfo.get(0) & 2) << 12) + ( (celulaInfo.get(7) & 1) << 12) + (celulaInfo.get(8) << 6)
+ celulaInfo.get(9);
boolean layerObjeto2Interac = ( (celulaInfo.get(7) & 2) >> 1) != 0;
int objeto = (layerObjeto2Interac ? layerObject2 : -1);
celulas.put(f / 10, new Celula(mapa, f / 10, caminhavel != 0, linhaDeVisao, objeto));
}
return celulas;
最佳答案
问题在于迭代边界:
for (int f = 0; f < dData.length(); f += 10) {
String CellData = dData.substring(f, f + 10);
除非dData.length()
恰好能被 10 整除,这会迭代出界。为了说明这一点,下面的代码片段将尝试读取 0-10 和 10-20,即使虚拟数组边界仅为 0-15。
for (let i = 0; i < 25; i += 10)
console.log(i, i + 10);
也许只是将上限限制为 substring.length()
就足够了:
for (int f = 0; f < dData.length(); f += 10) {
int upperBound = min(f + 10, dData.length());
String CellData = dData.substring(f, upperBound));
关于java - 尝试解决 - 字符串索引超出范围,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61070351/